Two-way bulkhead door construction



Dec. 23, 1952 c, 005 2,622,283

TWO-WAY BULKHEAD DOOR CONSTRUCTION Filed Dec. 14, 1950 INVENTOR ATTORNEYS Patented Dec. 23, 1952 UNITED S'E'iS i s TW O-VVAY BULKHEAD 1100B CONSTRUCTION Charles J. Recs, Muskegon, Mich. Application December 14, 1950, Serial No. 200,811 2 Claims. (01. 20-16) l 2 This invention relates to building construction, the wall 55, which is provided with a vertical rib and aims to provide a two-way bulkhead door it formed intermediate its side edges, the rib l5 construction wherein the door sections when extending throughout the height of the door moved to close a hallway Will check wind and opening. This rib it is formed with semi-cirpressure occurring from explosive forces, thereby 5 cular recesses il which are so located that the providing an appreciable degree of protection to outer ends of the rods it, will move thereinto, the occupants of buildings equipped with doors bracing the outer or free edges of the doors constituting the subject matter of the present inagainst wind pressures or pressures caused by vention. explosions.

An important object of the invention is to pro- It will of course be understood that these clovide a double bulkhead door construction includsures or doors are provided with the usual latches ing transverse bars which will withstand severe l3 and handles it, whereby the closures may be pressures directed thereto at either side of the p ated, and secured in their closed positions door, the transverse bars providing an effective when it is desired to divide the hallway into bulkbrace against excessive pressures to maintain the heads. hallway closed for protection of the building. From the foregoing it will be seen that due to Still another object of the invention is to brace he C nstruction shown and described, I have the doors along their hinged ends as well as at p e a p of hinged u e hich are so the latch sides of the door frames thereof, roconstructed and arranged that n y r viding stronger resistance against pressures from oved to their closed positions, the hallw y in either direction. which the closures are positioned, will be divided With the foregoing and other objects in View into u h s to p v r pa s e of Winds which will appear as the description proceeds, and Pressures through a a w y, Which Would the invention consists of certain novel details of tend to damage the bu din construction and combinati s of parts h i Having thus described the invention, what is after more fully described and pointed out in the claimed is: claims, it being understood that changes may be Means for dividing the hallway Of a building made in th con t u ti d arrangement of into compartments comprising vertical ribs carparts without departing from the spirit of the inried by and extending t th hallway from pvention as claimed. posite side walls thereof, opposite side edges of Referring to the drawing the ribs having vertically spaced semi-circular re- Figure 1 is a perspective view illustrating a cesses opening therethrough, closures mounted portion of a hallway of a building, showing bulkon the vertical ribs, transverse rods secured to head doors, constructed in accordance with the pp e Side faces of Said clcsures, Said I'OdS i ntion as nt th in, being disposed in vertically spaced relation with Fig. 2 is a transverse sectional view through a respect to eac ot er d being p d to e t r ll and door o ening, guarded by b lkh d the semi-circular recesses when the closures are doors constructed in accordance with the invenmoved to their closed position for b a the tion. closures against buckling under pressures di- Referring to the drawing in detail, the ref- 0 rected thereagainst.

erence character 5 indicates generally a hallway Means for driving e a w y of a building of which the floor 6, side walls 1 and ceiling 8 to compartments comprising vertical ribs carforma part. ried by the walls of the building and extending Extending inwardly from one of the side walls, from the floor to the ceiling of the h w y,

is a vertical enlargement or beam 9 formed with sures mounted on the vertical ribs to swin f a vertical Ilb 10 disposed intermediate the side an inactive position in Which they lie at an ang edges thereof, the vertical rib [0 having semito the ribs to an active positio in wh ch y i lar recesses 1 formed i th id edges lie parallel with and extend between the ribs, said th r ribs providing stops against which the hinged The reference character l2 indicates closures closures nga e Where said closures are in active which are hingedly connected to the vertical enp sition, said ribs having rec in e op os largement 9 by means of hinge 3 side edges thereof, and brace rods carried by the As shown, the closures l2 are provided ith closures and entering the recesses when the clotransverse rods M which are disposed in vertical sures are moved to their active position f hol spgged elaiiOIl twith respect to each other, the 21 E i d fil s agaiinst buckling under pressures ro ex en ing hroughout the entire widths of lrec ereagains the closures- CHARLES J. ROOS.

Thesle rods are so disposed that when the clo- REFERENCES CITED sures 2 are moved to their closed positions, as h shown by Fig. 2 of the drawing, the rods will move file r gfi fi are of record m the into the semi-circular recesses H to brace the doors or closures against excessive pressures UNITED STATES PATENTS caused by wind or explosions. Number Name Date Extending from the opposite side wall 1, is 1,753,774 DAr Ap 1930 

